SSR Performance 2012+ Mercedes Benz E550/CLS550/S550/SL550 (W212/W218/W222/R231) M278 ECU Flash Tune. Unleash the beast and achieve max power without sacrificing reliability and drive-ability.
Get the most out of your 2012+ Mercedes Benz E550/CLS550/S550/SL550 (W212/W218/W222/R231) M278 by mailing us your ECU for a bench flash or bringing your vehicle to us at our Southern California facility!
Max Power gains seen with other SSR complementing upgrades.
Custom features like exhaust burble also available upon request! Watch here to listen. All numbers are in crank hp and tq.
Stock Power: 422 hp / 443 tq
SSR Performance Stage 1 Tune: 551 hp / 689 tq
SSR Performance Stage 2 Tune: 602 hp / 754 tq
– Increase in Horsepower and Torque
– Reprogrammed Throttle for Improved Throttle Response
– Raised Rev Limiter
- For the 2012+ Mercedes Benz E550/CLS550/S550/SL550 (W212/W218/W222/R231) M278
- This is not a physical shipped out product. You send us or bring your ECU to us and we work on it.
- After placing your order SSR Performance will contact you with any required information
- Shipping costs and insurance to from SSR Performance is the responsibility of the purchaser
- In store ECU Tune may incur extra labor fees depending on the nature of the car / tune.
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